5. History
Alexander Graham
Bell, the first New York
to Chicago telephone
call in 1892
Martin Cooper
at Motorola April 3
1973 world’s first
mobile phone call
Steve Jobs
The world’s first
Smartphone came
from Apple in 2007
9. Software and Operating System
• Kernel -- Management systems for processes and drivers
for hardware.
• Middleware -- Software libraries that enable
smartphone applications (such as security, Web browsing
and messaging).
• Application execution environment (AEE) --
Application programming interfaces, which allow
developers to create their own programs.
• User interface framework -- The graphics and layouts
seen on the screen.
• Application suite -- The basic applications users access
regularly such as menu screens, calendars and message
inboxes.
10. Software and Operating System
• Symbian OS: was developed by Symbian Ltd in 1998 for
the use of mobile phones. Nokia was the first company to
release Symbian OS on its mobile phone at that time.
• Android OS: mobile OS based on the Linux
Kernel and open-source software, was developed
by Google. The first Android device in 2008.
• IPhone OS / IOS: The IOS was developed by the Apple
for the use on its device. The iOS operating system is not
available for any other mobiles.
• Windows Mobile OS: was developed by Microsoft..
• Harmony OS: is the latest mobile operating system that
was developed in August 2019 by Huawei for the use of its
devices. It is designed primarily for IOT devices.